Tools can be ÒinterpretedÓ
+Looks same, functionally
different:
vs.
+e.g. Test vs.
Survey
+a.k.a. eight
different ways to use the same tool
+Looks different, functionally
equivalent:
vs.
+e.g.
Assignments section vs. syllabus (to deliver assignments)
+a.k.a eight
ways to do the same thing
